The LCM of 9 and 54 is 54
The Least Common Multiple (LCM) for 9 54 is 54.
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The least common multiple of 9, 18, and 27 is 54.
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Short answer: There is none. There is not a least common multiple of a single number, such as 54, because there cannot be any form of common multiple without two or more numbers to compare. Common multiples are multiples that the numbers being compared have in common. The least common multiple is the smallest multiple that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there is not a least common multiple. The lowest common multiple of 54 depends upon the other number(s) with which it has COMMON multiples and is one of the multiples of 54. The common multiples of 54 depends upon the other numbers with which 54 has COMMON multiples and are the multiples of the least common multiples between 54 and the other number(s).
The Least Common Multiple (LCM) of 9 and 15 is 45.Multiples of 9 are 9, 18, 27, 36, 45, 54 and so on.Multiples of 15 are 15, 30, 45, 60 and so on.The LCM is the first number to appear on both lists.45